Implement TextureImageTransportSurface using texture mailbox

content/common/gpu/gpu_channel_manager.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/common/gpu/gpu_channel_manager.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "content/common/child_thread.h"
 #include "content/common/gpu/gpu_channel.h"
@@ skipping 252 matching lines @@
 }
 
 gfx::GLSurface* GpuChannelManager::GetDefaultOffscreenSurface() {
   if (!default_offscreen_surface_.get()) {
     default_offscreen_surface_ = gfx::GLSurface::CreateOffscreenGLSurface(
         false, gfx::Size(1, 1));
   }
   return default_offscreen_surface_.get();
 }
 
+bool GpuChannelManager::MakeCurrent(gfx::GLSurface* surface) {
+  gfx::GLContext* context = share_group_->GetContext();
+  if (context)
+    return context->MakeCurrent(surface);
+
+  return false;
+}
+
 }  // namespace content